bea3vargas resteemedtachiosbag (42)in #science • 7 years agoWhat are proteins made up of?All proteins are made up of amino acids. There are 20 different kinds of amino acids. These amino acids, in various…bea3vargas resteemedabhishek77 (53)in #science • 7 years agoScientists Discover Two New Galaxiesbea3vargas resteemedmcw (63)in #sciencepic • 7 years agopyloripylori
